21339528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3433}}^1$

素因数の和:3486

約数の個数: 64

約数和(自身を含む): 62636160

約数和(自身を除く): 41296632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3433, 6216, 6866, 10299, 13732, 20598, 24031, 27464, 41196, 48062, 72093, 82392, 96124, 127021, 144186, 192248, 254042, 288372, 381063, 508084, 576744, 762126, 889147, 1016168, 1524252, 1778294, 2667441, 3048504, 3556588, 5334882, 7113176, 10669764, 21339528]

約数ペア:

[(1, 21339528), (2, 10669764), (3, 7113176), (4, 5334882), (6, 3556588), (7, 3048504), (8, 2667441), (12, 1778294), (14, 1524252), (21, 1016168), (24, 889147), (28, 762126), (37, 576744), (42, 508084), (56, 381063), (74, 288372), (84, 254042), (111, 192248), (148, 144186), (168, 127021), (222, 96124), (259, 82392), (296, 72093), (444, 48062), (518, 41196), (777, 27464), (888, 24031), (1036, 20598), (1554, 13732), (2072, 10299), (3108, 6866), (3433, 6216)]